diff --git a/Runtime/Collision/CCollisionInfoList.hpp b/Runtime/Collision/CCollisionInfoList.hpp
index 77c49f151..c41eaea3e 100644
--- a/Runtime/Collision/CCollisionInfoList.hpp
+++ b/Runtime/Collision/CCollisionInfoList.hpp
@@ -11,11 +11,36 @@ class CCollisionInfoList {
 public:
   CCollisionInfoList() = default;
 
-  void GetAverageLeftNormal() const;
-  void GetAveragePoint() const;
-  void GetUnionOfAllLeftMaterials() const;
+  zeus::CVector3f GetAverageLeftNormal() const {
+    zeus::CVector3f ret;
+    for (const auto& inf : x0_list) {
+      ret += inf.GetNormalLeft();
+    }
+
+    return ret / x0_list.size();
+  }
+  zeus::CVector3f GetAveragePoint() const {
+    zeus::CVector3f ret;
+    for (const auto& inf : x0_list) {
+      ret += inf.GetPoint();
+    }
+
+    return ret / x0_list.size();
+  }
+  CMaterialList GetUnionOfAllLeftMaterials() const {
+    CMaterialList list;
+    for (const auto& inf : x0_list) {
+      list.Union(inf.GetMaterialLeft());
+    }
+
+    return list;
+  }
   size_t GetCount() const { return x0_list.size(); }
-  void Swap(s32);
+  void Swap(s32 idx) {
+    if (idx >= x0_list.size())
+      return;
+    x0_list[idx].Swap();
+  }
 
   void Add(const CCollisionInfo& info, bool swap) {
     if (x0_list.size() == 32)
diff --git a/Runtime/Collision/CMaterialList.hpp b/Runtime/Collision/CMaterialList.hpp
index 8af658359..df798a8ea 100644
--- a/Runtime/Collision/CMaterialList.hpp
+++ b/Runtime/Collision/CMaterialList.hpp
@@ -134,6 +134,7 @@ public:
   constexpr u64 Intersection(const CMaterialList& other) const noexcept { return other.x0_list & x0_list; }
 
   constexpr u64 XOR(const CMaterialList& other) const noexcept { return x0_list ^ other.x0_list; }
+  void Union(const CMaterialList& other) noexcept { x0_list |= other.x0_list; }
 };
 
 } // namespace urde
diff --git a/Runtime/World/ScriptLoader.cpp b/Runtime/World/ScriptLoader.cpp
index a61df5ae6..195be25a1 100644
--- a/Runtime/World/ScriptLoader.cpp
+++ b/Runtime/World/ScriptLoader.cpp
@@ -689,8 +689,11 @@ CEntity* ScriptLoader::LoadSound(CStateManager& mgr, CInputStream& in, int propC
   bool allowDuplicates = in.readBool();
   s32 pitch = in.readInt32Big();
 
-  if (soundId < 0)
+  if (soundId < 0) {
+    Log.report(logvisor::Warning, fmt("Invalid sound ID specified in Sound {} ({}), dropping..."), head.x0_name,
+               info.GetEditorId());
     return nullptr;
+  }
 
   return new CScriptSound(mgr.AllocateUniqueId(), head.x0_name, info, head.x10_transform, u16(soundId), active, maxDist,
                           distComp, startDelay, minVol, vol, 0, prio, pan, 0, loop, nonEmitter, autoStart,